package org.nobody.mallb2c.mallproduct.config;

import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author 3489309323@qq.com
 * @create 2020-09-11-8:49
 */
@EnableConfigurationProperties(CacheProperties.class)
@Configuration
@EnableCaching
public class MyCacheConfig {
//  @Autowired
//  CacheProperties cacheProperties;

  @Bean //@Bean标注的方法里的所有参数 都会从容器中确定
  RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){
    RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();

    config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
    config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericFastJsonRedisSerializer()));

    // 注意此时我们自定义了redisCacheConfiguration,So 之前配置文件中的配置都失效了,这里需要自己手动实现从配置文件读取配置的功能
    CacheProperties.Redis redisProperties = cacheProperties.getRedis();

    // 将配置文件中你的所有配置都生效
    if (redisProperties.getTimeToLive() != null) {
      config = config.entryTtl(redisProperties.getTimeToLive());
    }
    if (redisProperties.getKeyPrefix() != null) {
      config = config.prefixKeysWith(redisProperties.getKeyPrefix());
    }
    if (!redisProperties.isCacheNullValues()) {
      config = config.disableCachingNullValues();
    }
    if (!redisProperties.isUseKeyPrefix()) {
      config = config.disableKeyPrefix();
    }

    return config;
  }
}
